Display holder



FIG. 1 is a top front right perspective view of a display holder, showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a top plan view thereof. 

The ornamental design for a display holder, as shown and described. 